package threading;

import java.util.concurrent.atomic.AtomicInteger;

public class ThreadDemo26 {
    public static void main(String[] args) throws InterruptedException {
        AtomicInteger num = new AtomicInteger(0);
        Thread t1 = new Thread(() -> {
            for (int i = 0; i < 50000; i++) {
                //num++
                num.getAndIncrement();
//                //++num
//                num.incrementAndGet();
//                //num--
//                num.getAndDecrement();
//                //--num
//                num.decrementAndGet();
//
            }
        });
        Thread t2 = new Thread(() -> {
            for (int i = 0; i < 50000; i++) {
                num.getAndIncrement();
            }
        });
        t1.start();
        t2.start();

        t1.join();
        t2.join();
        // get 获取到数值
        System.out.println(num.get());
    }

}
